Home / 2,156,462.39-2,975,926.41-1,189,578.76

Finding the Fourth Proportional to 2,156,462.39, 2,975,926.41 and 1,189,578.76

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Solution

The fourth proportional to 2,156,462.39, 2,975,926.41 and 1,189,578.76 is: 1,641,623.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156,462.39 : 2,975,926.41 = 1,189,578.76 : x
  2. Step 2: Convert to fraction form
    2,156,462.39/2,975,926.41 = 1,189,578.76/x
  3. Step 3: Cross multiply
    2,156,462.39x = 2,975,926.41 × 1,189,578.76
  4. Step 4: Simplify right side
    2,156,462.39x = 3,540,098,841,219.24
  5. Step 5: Solve for x
    x = 3,540,098,841,219.24/2,156,462.39
  6. Step 6: Final answer
    x = 1,641,623.27

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.